This page is about the meanings of the acronym/abbreviation/shorthand KSI in the Governmental field in general and in the Institutes terminology in particular.

Translation

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Definition

Ksi is a letter of the early Cyrillic alphabet, derived from the Greek letter Xi. It was mainly used in Greek loanwords, especially words relating to the Church.
Ksi was eliminated from the Russian alphabet along with psi, omega, and yus in the Civil Script of 1708, and has also been dropped from other secular languages.
It represented "60" if used as a number.